gvt7164b19 ETC-unknow, gvt7164b19 Datasheet
gvt7164b19
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gvt7164b19 Summary of contents
Page 1
... Individual byte enables allow individual bytes to be written. WEL# controls DQ1-DQ8 and DQP1. WEH# controls DQ9-DQ16 and DQP2. The GVT7164B19 operates from a +5V power supply. All inputs and outputs are TTL-compatible. The device is ideally suited for 486, Pentium are benefited from a wide synchronous data bus. ...
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... December 4, 1997 Rev. 12/97 , INC. 64K X 18 SYNCHRONOUS BURST SRAM UPPER BYTE WRITE D Q LOWER BYTE WRITE D Q ENABLE D Q Input Register Address Register CLR Binary Counter & Logic 2 GVT7164B19 DQ1-DQ16 DQP1 DQP2 Galvantech, Inc. reserves the right to change products or specifications without notice. ...
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... DQ16 19 DQP2 December 4, 1997 Rev. 12/97 , INC. 64K X 18 SYNCHRONOUS BURST SRAM PIN ASSIGNMENT (Top View 52-pin PLCC GVT7164B19 DQP1 46 DQ8 45 DQ7 44 VCC 43 VSS 42 DQ6 41 DQ5 40 DQ4 39 DQ3 38 VSS 37 VCC 36 DQ2 ...
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... Parity Inputs/Outputs: DQP1 is parity bit for DQ1-DQ8 and DQP2 is parity bit for DQ9-DQ16. Supply: + Ground: GND Third Address Fourth Address (internal) (internal) A...A10 A...A11 A...A11 A...A10 A...A00 A...A01 A...A01 A...A00 4 GVT7164B19 Galvantech, Inc. reserves the right to change products or specifications without notice. ...
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... WEL# CE# OE GVT7164B19 OE# CLK DQ X L-H High-Z X L-H High L-H High L-H High L-H High L-H High-Z X L-H D Galvantech, Inc. reserves the right to change products or specifications without notice. ...
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... SB2 SB3 I 30 SB4 ; VCC = MAX; IH CONDITIONS SYMBOL MHz C I VCC = 5. CONDITIONS SYMBOL PLCC TYP Still air, soldered on 4. 1.125 inch 4-layer PCB JC 6 GVT7164B19 MIN MAX UNITS 2.2 VCC+0.3 V -0.5 0 2.4 3.3 V 0.4 V 4.75 5. -10 -12 UNITS NOTES ...
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... KQX KQLZ 5 6 KQHZ OEQ OELZ 0 0 OEHZ 2.5 2 0.5 0.5 TYP MAX KQ 0.016 7 GVT7164B19 -10 -12 MIN MAX MIN MAN UNITS 2.5 3 0.5 0.5 UNITS NOTES Galvantech, Inc. reserves the right to change products or specifications without notice. ...
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... See Figures 1 and / increases with greater t KQHZ is less o C and 20ns cycle time. 8 GVT7164B19 1.5V Fig. 1 OUTPUT LOAD EQUIVALENT +5V 480 Q 255 5 pF Fig. 2 OUTPUT LOAD EQUIVALENT Galvantech, Inc. reserves the right to change products or specifications without notice. ...
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... WEH#, WEL# CE# ADV# OE KQLZ DQ SINGLE READ December 4, 1997 Rev. 12/97 , INC. 64K X 18 SYNCHRONOUS BURST SRAM READ TIMING OEQ t OELZ Q(A1) Q(A2) Q(A2+1) 9 GVT7164B19 t H Q(A2+2) Q(A2+3) Q(A2) Q(A2+1) BURST READ Galvantech, Inc. reserves the right to change products or specifications without notice. Q(A2+2) ...
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... ADDRESS WEH#, WEL# CE# ADV# OE# t KQX DQ Q SINGLE WRITE December 4, 1997 Rev. 12/97 , INC. 64K X 18 SYNCHRONOUS BURST SRAM WRITE TIMING OEHZ D(A1) D(A2) D(A2+2) D(A2+2) BURST WRITE 10 GVT7164B19 D(A2+2) D(A2+3) D(A3) D(A3+1) BURST WRITE Galvantech, Inc. reserves the right to change products or specifications without notice. D(A3+2) ...
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... ADSP# ADSC ADDRESS WEH#, WEL# CE# ADV# OE# DQ Q(A1) Single Reads December 4, 1997 Rev. 12/97 , INC. 64K X 18 SYNCHRONOUS BURST SRAM READ/WRITE TIMING Q(A2) D(A3) Q(A4) Single Write 11 GVT7164B19 A5 Q(A4+1) Q(A4+2) Q(A4+3) D(A5) D(A5+1) Burst Read Burst Write Galvantech, Inc. reserves the right to change products or specifications without notice. ...
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... December 4, 1997 Rev. 12/97 , INC. 64K X 18 SYNCHRONOUS BURST SRAM .795 (20.19) .785 (19.94) .756 (19.20) .750 (19.05) .050 (1.27) TYP .795 (20.19) .785 (19.94) .021 (0.53) .013 (0.33) .730 (18.54) .690 (17.53) MAX or typical where noted. MIN 12 GVT7164B19 .600 (15.24) TYP .020 (0.51) MIN Galvantech, Inc. reserves the right to change products or specifications without notice. ...
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... Galvantech Prefix Part Number December 4, 1997 Rev. 12/97 , INC. 64K X 18 SYNCHRONOUS BURST SRAM 13 GVT7164B19 Speed (8 = 8ns access/12ns cycle 9 = 9ns access/15ns cycle 10 = 10ns access/15ns cycle 12 = 12ns access/20ns cycle) Package ( PIN PLCC) Galvantech, Inc. reserves the right to change products or specifications without notice. ...