TFB 2.2 343S0077 A

r REV. ZONE ECO# APPD REVISION A R1416 PRODUCTION RELEASE A R2162 RECORD CHANGE DATE MT 8-9-90 NOTE: MANUFACTURERS RECEIVING APPLE APPROVED VENDOR STATUS FOR THEIR PRODUCT UNDER THIS PART NUMBER PLEASE NOTE: You mJst not change your part design, materials or manufacturing process from those used for the original samples submitted to and approved by Apple without written approval of Apple. Proposed changes determined by Apple to be significant, will require the manufacturer to submit new samples and/or data for review and approval prior to product shipments to Apple. r -$-E3DIMENSIONS ARE IN MIWMETERS. DIMENSIONS IN BRACKETS [ ) ARE IN INCHF.S. TOLERANCES X.X± ., ... 0.3 [.01] 0.13 [.005] x.xxx ± 0.03 [.001] ;; ANGLEs ± 0.1 or as noted \.. DRAYf M.T. ENG APl'D D.I. /$/ 88 :Xv 88 QA APl'D X.XX± DO NOT SCALE ORAWING .® METRIC // RELEASE D.B. DESIGN CK S.R. MFG APl'D A.A. DESIGNER /a/,,88 .Av 89 // SCALE /'3L 89 MATERIAL/FINISH N01ED AS APPLICABLE NONE SIZE A Apple Computer, Inc. NOTI<ll OP PROPRIETARY PROPl3RTY THE INFORMATION CONrAINED HEREIN IS THE PROPRIETARY PROPllRTY OP APl'Ul CDMPU'JllR, INC. THE POSSESSOR AGREES TO 1lIB FOILOWING: (i) TO MAINTAIN TIIIS DOCUMENT IN CDNFIDENCE (ii) Naf TO REPRODUCE OR COPY IT (iii) Naf TO REVEAL OR PUBLISH IT IN WHOLE OR PART TITLE IC, CUSTOM, TFB2.2 144-QFP DRAWING NUMBER 34380077-A SHT 1~0 ..) 1.0 SCOPE: This specifies the parametric requirements of TFB2.2. The TFB2.2 is designed to interface with NuBus, to sense what monitor is used, and generate the corresponding monitor timing, video RAM timing, control and video data for Color look-up table. It is packaged in a 144 pin plastic square quad flat pack. The TFB2.2 is designed to replace Apple P/N 34350019 (TFB2.0) The main difference between TFB2.2 and TFB2.0 are as follow: 1. TFB2.2 extend the enable outputs of ADS, AD9, AD10, AD11 (pin 49, 50, 51, and 52) by 25 ns. 2. TFB2.2 support the NuBus Block Move Access, it effects /ACK, /TM1, and /TMO (pin 43, 53, and 45). 3. TFB2.2 support 1bit/pxl and 2bit/pxl modes, it presents the correct data on the CA Bus (pin 118-125, 128-135). Note: A copy of TFB2.2 schematic is on file in Documentation for Apple Internal use only. Do not remove the original schematic 062-0071 from Documentation files. VD20 VD2 VD1 VD21 VD22 VDO /TSlE VD23 VD24 VD25 SENSE2 SENSE1 SENSEO VD26 VD27 VD28 VD29 VD30 VD31 PXIN GNO /CBLK /CSYN NSYN /SOEO IHSYN /SOE1 A13 A12 A11 IDOEO IDOE1 sco PXOUT GND VDD GNO VDD /RA.SO A10 /RAS1 IC/ISO /CAS1 GND RAO /JS AB A7 N; A5 A4 A'3 RA1 RA2 RA3 GND /SLOT AD19 AD18 AD17 AD16 AD15 AD14 AD13 AD12 VDD RA4 RA5 RAB RA7 GND N/ENO FIGURE 1. PIN CONFIGURATION \ #._ SIZE DRAWING •®Apple Computer, lnc..,_____......3_4_3s_o_o1_1_-A_ ______ SCALE SHT 2 OP 30 r 1.1 PIN DESCRIPTION INPUTS PIN NAME PIN# DESCRIPTION /10MO /10M1 /RESET AD(7:0) AD(19:12) /SLOTS EL PXIN SENSE(2:0) VD(31 :0) 46 47 48 72-65 80-73 81 101 1…